My dear wife, please allow me to indulge my desires during our month-long trip before we embark on this family vacation? My father-in-law suddenly asked if he could refrain from having sex for that long. At first, I was confused because it seemed like a simple family getaway at a hot spring resort. But then they revealed their true intentions; they wanted us to conceive a child while there! Although I managed to abstain until the day of our departure, I couldn't help but feel restless... As fate would have it, I accidentally entered the women's bathhouse where I caught sight of my mother-in-law's alluring figure soaking in the steaming waters. Her voluptuous curves and seductive demeanor left me yearning for her touch.

「キョウくん、旅行までの1カ月間、禁欲をしてくれないか？」突然、義父母から頼まれた僕は、困惑してしまった。家族水入らずの温泉旅行だったはずが、それに乗じて妻との子作りを頼まれてしまうなんて。言われた通り旅行当日まで禁欲したけど、どうしても悶々としてしまって…自分では抑えきれずに溜った欲望をなんとか静めようと温泉に向かうと、誤って女湯に入ってしまい、そこでお義母さんの艶めかしい入浴姿を目撃して…。